German U-Boot Diesel MWM RS 34 S running smoothly at Maschinenmuseum Kiel

Starting procedure and than smooth running of a U-Boot Diesel Engine (MWM RS 34 S) used in German Typ XXIII submarines and perviously as engines for electric generators on board of German battleships Bismark (ruffly 20 engines on board just for electric power generation!) ,Tirpitz and Gneisenau. 576 PS (HP) 6 Cylinder (18 L / Cylinder) 108 L capacity 0 - 2:39 prepairing for start 2:39 engine start running with load 3:40 engine running without load WHAT A